Definition of osculum in English:

osculum

nounPlural oscula ˈɒskjʊləmˈɑskjələm

Zoology

A large aperture in a sponge through which water is expelled.
〔动〕（海绵的）出水孔
Example sentencesExamples
- The hole closes and it is not until some days later that the sponge forms an osculum at its apical pole.
- Syconoid sponges tend to be larger than asconoids and have a tubular body with a single osculum.
- Spicules first appeared 2 days after release from the parent and an osculum was first seen in 9-day old settled juveniles.
- Sponges will react by closing ostia or oscula, either because of direct physical stimulation or when suspended particles within the sponge are too large or highly concentrated.
- In budding, aggregates of cells differentiate into small sponges that are released superficially or expelled through the oscula.

Origin

Early 17th century: from Latin 'little mouth'.

Definition of osculum in US English:

osculum

nounˈäskyələmˈɑskjələm

Zoology

A large aperture in a sponge through which water is expelled.
〔动〕（海绵的）出水孔
Example sentencesExamples
- In budding, aggregates of cells differentiate into small sponges that are released superficially or expelled through the oscula.
- The hole closes and it is not until some days later that the sponge forms an osculum at its apical pole.
- Sponges will react by closing ostia or oscula, either because of direct physical stimulation or when suspended particles within the sponge are too large or highly concentrated.
- Spicules first appeared 2 days after release from the parent and an osculum was first seen in 9-day old settled juveniles.
- Syconoid sponges tend to be larger than asconoids and have a tubular body with a single osculum.

Origin

Early 17th century: from Latin ‘little mouth’.

单词	osculum
释义	Definition of osculum in English: osculum nounPlural oscula ˈɒskjʊləmˈɑskjələm Zoology A large aperture in a sponge through which water is expelled. 〔动〕（海绵的）出水孔 Example sentencesExamples The hole closes and it is not until some days later that the sponge forms an osculum at its apical pole. Syconoid sponges tend to be larger than asconoids and have a tubular body with a single osculum. Spicules first appeared 2 days after release from the parent and an osculum was first seen in 9-day old settled juveniles. Sponges will react by closing ostia or oscula, either because of direct physical stimulation or when suspended particles within the sponge are too large or highly concentrated. In budding, aggregates of cells differentiate into small sponges that are released superficially or expelled through the oscula. Origin Early 17th century: from Latin 'little mouth'. Definition of osculum in US English: osculum nounˈäskyələmˈɑskjələm Zoology A large aperture in a sponge through which water is expelled. 〔动〕（海绵的）出水孔 Example sentencesExamples In budding, aggregates of cells differentiate into small sponges that are released superficially or expelled through the oscula. The hole closes and it is not until some days later that the sponge forms an osculum at its apical pole. Sponges will react by closing ostia or oscula, either because of direct physical stimulation or when suspended particles within the sponge are too large or highly concentrated. Spicules first appeared 2 days after release from the parent and an osculum was first seen in 9-day old settled juveniles. Syconoid sponges tend to be larger than asconoids and have a tubular body with a single osculum. Origin Early 17th century: from Latin ‘little mouth’.
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